Datasheets

MIC2405612V, 12A High-Efficiency Buck RegulatorSuperSwitcher IIпЈЄ General Description Features HyperLight Load efficiency вЂ“ up to 80% at 10mAThe Micrel MIC24056 is a constant-frequency,synchronous DC/DC buck regulator featuring adaptive on Hyper Speed Control architecture enablestime control architecture. The MIC24056 operates over a-High delta V operation (VIN = 19V and VOUT = 0.8V)supply range of 4.5V to 19V. It has an internal linear-Small output capacitanceregulator which provides a regulated 5V to power the Input voltage range: 4.5V to 19Vinternal control circuitry. MIC24056 operates at a constant600kHz switching frequency in continuous-conduction Output current up to 12Amode and can be used to provide up to 12A of output Up to 95% efficiencycurrent. The output voltage is adjustable down to 0.8V. Adjustable output voltage from 0.8V to 5.5VВ®MicrelвЂ™s HyperLight Load architecture provides the same В±1% FB accuracyhigh efficiency and ultra-fast transient response as the Any Capacitorв„ў stable -zero-to-high ESRHyper Speed ControlпЈЄ architecture under medium to 600kHz switching frequencyheavy loads, but also maintains high efficiency under lightload conditions by transitioning to variable frequency, Power good (PG) outputdiscontinuous mode operation. Foldback current-limit and вЂњhiccupвЂќ mode short-circuitThe MIC24056 offers a full suite of protection features toprotection ...